ASTM D7974
Standard Test Method for Determination of Farnesane, Saturated Hydrocarbons, and Hexahydrofarnesol Content of Synthesized Iso-Paraffins (SIP) Fuel for Blending with Jet Fuel by Gas Chromatography
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About This Item
ASTM D7974 is the standard test method for determining farnesane, saturated hydrocarbons, and hexahydrofarnesol content in synthesized iso-paraffins (SIP) fuel intended for blending with jet fuel by gas chromatography. It provides a structured analytical approach for measuring these key components in a fuel blend stream, helping laboratories and fuel producers evaluate composition with greater consistency. As a technical document, ASTM D7974 supports quality control and comparison of test results for SIP-based aviation fuel applications.
Purpose of ASTM D7974
The purpose of ASTM D7974 is to define a gas chromatographic test method for identifying and quantifying specified constituents in synthesized iso-paraffins used for jet fuel blending. By focusing on farnesane, saturated hydrocarbons, and hexahydrofarnesol, the standard helps establish a repeatable approach for compositional analysis. This is especially useful when assessing whether a material meets internal product targets, purchasing requirements, or laboratory reporting needs tied to fuel characterization.
Common use cases of ASTM D7974
ASTM D7974 is commonly used in analytical laboratories that test SIP fuel components before or during blending with jet fuel. It may also be applied in product development, batch release testing, and supplier verification where gas chromatography is used to examine fuel composition. The standard is relevant wherever accurate measurement of the listed compounds supports formulation control, documentation, or comparison of test data across facilities and projects.
Why ASTM D7974 matters
This standard matters because fuel composition can affect blending decisions, product consistency, and downstream technical review. ASTM D7974 gives users a defined method for generating comparable results, which helps reduce uncertainty in quality control and procurement workflows. For organizations working with SIP fuel materials, it can support more reliable evaluation of analytical data and improve confidence in reported content values for key components.
- Gas chromatographic determination method
- Targets SIP fuel for jet blending
- Measures farnesane and related hydrocarbons
- Supports laboratory reporting and QC
- Useful for composition verification
- Publication Date: 2021-01-20
- Publisher: ASTM
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